SCHEMATICS | GMS8 |
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
CIRCULATOR
BLOWER
HEAT COOL
CIR PARK PARK NEU
INDUCER
IND
K2 |
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| K3 |
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K1 |
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.0005 |
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3M |
| FACTORY | K8 |
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| K5 | JUMPER |
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| FACTORY |
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| JUMPER |
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FP IGN | GND | MV MV | PS HLO | HLI |
FLAME |
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SENSOR |
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PROBE |
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| HIGH | AUX |
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| GAS | ||
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| LIMIT | LIMIT | |
IGNITOR |
| VALVE | ||
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PRESSURE
SWITCH
R |
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RO2 | ROLLOUT |
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RO1 |
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SWITCH |
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TH |
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XFMR |
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HOT |
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| 24 VAC |
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XFMR |
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NEU | COMPRESSOR |
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TR | CONTACTOR | R |
C | COIL | |
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Y | Y |
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G | G |
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W | W |
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PSO | THERMOSTAT | |
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TYPICAL SCHEMATIC
GMS8 * MODEL FURNACES
WR 50T55-289 INTEGRATED IGNITION CONTROL
This schematic is for reference only. Not all wiring is as shown above. Always refer to the appropriate wiring diagram for the unit being serviced.
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